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sanity checks

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folkert van heusden 2024-04-20 22:51:41 +02:00
parent 5df0b6f70f
commit b0df42ad5e
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 13 additions and 4 deletions
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17
cpu.cpp
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@ -127,9 +127,9 @@ std::vector<std::pair<uint16_t, std::string> > cpu::get_stack_trace() const
void cpu::reset() void cpu::reset()
{ {
memset(regs0_5, 0x00, sizeof regs0_5); memset(regs0_5, 0x00, sizeof regs0_5);
memset(sp, 0x00, sizeof sp); memset(sp, 0x00, sizeof sp);
pc = 0; pc = 0;
psw = 0; // 7 << 5; psw = 0; // 7 << 5;
fpsr = 0; fpsr = 0;
init_interrupt_queue(); init_interrupt_queue();
} }
@ -149,6 +149,8 @@ uint16_t cpu::getRegister(const int nr, const rm_selection_t mode_selection) con
return sp[getPSW_runmode()]; return sp[getPSW_runmode()];
} }
assert(nr == 7);
return pc; return pc;
} }
@ -166,6 +168,7 @@ void cpu::setRegister(const int nr, const uint16_t value, const rm_selection_t m
sp[getPSW_runmode()] = value; sp[getPSW_runmode()] = value;
} }
else { else {
assert(nr == 7);
pc = value; pc = value;
} }
} }
@ -210,6 +213,8 @@ uint16_t cpu::addRegister(const int nr, const rm_selection_t mode_selection, con
return sp[getPSW_runmode()] += value; return sp[getPSW_runmode()] += value;
} }
assert(nr == 7);
return pc += value; return pc += value;
} }
@ -222,8 +227,10 @@ void cpu::lowlevel_register_set(const uint8_t set, const uint8_t reg, const uint
regs0_5[set][reg] = value; regs0_5[set][reg] = value;
else if (reg == 6) else if (reg == 6)
sp[set == 0 ? 0 : 3] = value; sp[set == 0 ? 0 : 3] = value;
else else {
assert(reg == 7);
pc = value; pc = value;
}
} }
uint16_t cpu::lowlevel_register_get(const uint8_t set, const uint8_t reg) uint16_t cpu::lowlevel_register_get(const uint8_t set, const uint8_t reg)
@ -237,6 +244,8 @@ uint16_t cpu::lowlevel_register_get(const uint8_t set, const uint8_t reg)
if (reg == 6) if (reg == 6)
return sp[set == 0 ? 0 : 3]; return sp[set == 0 ? 0 : 3];
assert(reg == 7);
return pc; return pc;
} }